20791411872

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{401813}}^1$

素因数の和:401851

約数の個数: 144

約数和(自身を含む): 69259875552

約数和(自身を除く): 48468463680

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 392, 462, 528, 539, 588, 616, 672, 784, 924, 1056, 1078, 1176, 1232, 1568, 1617, 1848, 2156, 2352, 2464, 3234, 3696, 4312, 4704, 6468, 7392, 8624, 12936, 17248, 25872, 51744, 401813, 803626, 1205439, 1607252, 2410878, 2812691, 3214504, 4419943, 4821756, 5625382, 6429008, 8438073, 8839886, 9643512, 11250764, 12858016, 13259829, 16876146, 17679772, 19287024, 19688837, 22501528, 26519658, 30939601, 33752292, 35359544, 38574048, 39377674, 45003056, 53039316, 59066511, 61879202, 67504584, 70719088, 78755348, 90006112, 92818803, 106078632, 118133022, 123758404, 135009168, 141438176, 157510696, 185637606, 212157264, 216577207, 236266044, 247516808, 270018336, 315021392, 371275212, 424314528, 433154414, 472532088, 495033616, 630042784, 649731621, 742550424, 866308828, 945064176, 990067232, 1299463242, 1485100848, 1732617656, 1890128352, 2598926484, 2970201696, 3465235312, 5197852968, 6930470624, 10395705936, 20791411872]

約数ペア:

[(1, 20791411872), (2, 10395705936), (3, 6930470624), (4, 5197852968), (6, 3465235312), (7, 2970201696), (8, 2598926484), (11, 1890128352), (12, 1732617656), (14, 1485100848), (16, 1299463242), (21, 990067232), (22, 945064176), (24, 866308828), (28, 742550424), (32, 649731621), (33, 630042784), (42, 495033616), (44, 472532088), (48, 433154414), (49, 424314528), (56, 371275212), (66, 315021392), (77, 270018336), (84, 247516808), (88, 236266044), (96, 216577207), (98, 212157264), (112, 185637606), (132, 157510696), (147, 141438176), (154, 135009168), (168, 123758404), (176, 118133022), (196, 106078632), (224, 92818803), (231, 90006112), (264, 78755348), (294, 70719088), (308, 67504584), (336, 61879202), (352, 59066511), (392, 53039316), (462, 45003056), (528, 39377674), (539, 38574048), (588, 35359544), (616, 33752292), (672, 30939601), (784, 26519658), (924, 22501528), (1056, 19688837), (1078, 19287024), (1176, 17679772), (1232, 16876146), (1568, 13259829), (1617, 12858016), (1848, 11250764), (2156, 9643512), (2352, 8839886), (2464, 8438073), (3234, 6429008), (3696, 5625382), (4312, 4821756), (4704, 4419943), (6468, 3214504), (7392, 2812691), (8624, 2410878), (12936, 1607252), (17248, 1205439), (25872, 803626), (51744, 401813)]